Hair appliance



FIG. 1 is a front perspective view of a hair appliance showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the drawings illustrate portions of the hair appliance that form no part of the claimed design. 

CLAIM We claim the ornamental design for a hair appliance, as shown and described. 